As far as factory manuals go.....

Even the factory manuals can be a bit hard to grasp at times. I was helping a friend with his 600 and even with the factory manual from 1970 it was tough to figure out some of the stuff they were trying to get across.

I chalked this up to just how many original 600 owners did their own work and also that Mercedes Techs received additional training before they could service a 600. Therefore for them the manual was just a reminder of what they learned in school.

By the way... The key to servicing a 600 is to just think of it as a big 108 with a few weird options. Once you get past the thought of everything costing a fortune to replace if you break it it is just like working on anything else except for a lot less room in the engine compartment.